sd/source/helper/simplereferencecomponent.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <helper/simplereferencecomponent.hxx>
  21
  22 #include <com/sun/star/uno/RuntimeException.hpp>
  23 #include <osl/diagnose.h>
  24 #include <comphelper/diagnose_ex.hxx>
  25
  26 using com::sun::star::uno::RuntimeException;
  27 using sd::SimpleReferenceComponent;
  28
  29 SimpleReferenceComponent::SimpleReferenceComponent()
  30     : m_nCount(0)
  31     , mbDisposed(false)
  32 {
  33 }
  34
  35 SimpleReferenceComponent::~SimpleReferenceComponent()
  36 {
  37     OSL_ASSERT(m_nCount == 0);
  38     OSL_ASSERT(mbDisposed);
  39 }
  40
  41 void SimpleReferenceComponent::acquire() { osl_atomic_increment(&m_nCount); }
  42
  43 void SimpleReferenceComponent::release()
  44 {
  45     if ((1 == m_nCount) && !mbDisposed)
  46     {
  47         try
  48         {
  49             Dispose();
  50         }
  51         catch (RuntimeException const&) // don't break throw ()
  52         {
  53             TOOLS_WARN_EXCEPTION("sd", "");
  54         }
  55     }
  56
  57     if (osl_atomic_decrement(&m_nCount) == 0)
  58         delete this;
  59 }
  60
  61 void SimpleReferenceComponent::Dispose()
  62 {
  63     if (!mbDisposed)
  64     {
  65         mbDisposed = true;
  66         disposing();
  67     }
  68 }
  69
  70 void SimpleReferenceComponent::disposing() {}
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */